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52748479 = 7109257269
BaseRepresentation
bin1100100100111…
…0000010111111
310200020220022101
43021032002333
5102000422404
65122325531
71210232440
oct311160277
9120226271
1052748479
1127858793
12157b98a7
13ac0b424
1470112c7
15496e2a4
hex324e0bf

52748479 has 16 divisors (see below), whose sum is σ = 61300800. Its totient is φ = 44457984.

The previous prime is 52748471. The next prime is 52748489. The reversal of 52748479 is 97484725.

It is a cyclic number.

It is not a de Polignac number, because 52748479 - 23 = 52748471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52748471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195957 + ... + 196225.

It is an arithmetic number, because the mean of its divisors is an integer number (3831300).

Almost surely, 252748479 is an apocalyptic number.

52748479 is a deficient number, since it is larger than the sum of its proper divisors (8552321).

52748479 is a wasteful number, since it uses less digits than its factorization.

52748479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642.

The product of its digits is 564480, while the sum is 46.

The square root of 52748479 is about 7262.8148124539. The cubic root of 52748479 is about 375.0334287237.

The spelling of 52748479 in words is "fifty-two million, seven hundred forty-eight thousand, four hundred seventy-nine".

Divisors: 1 7 109 257 269 763 1799 1883 28013 29321 69133 196091 205247 483931 7535497 52748479